Scabiosa plant named ‘Walminiblue’

Details Scabiosa plant named ‘Walminiblue’ Scabiosa plant named ‘Walminiblue’

2001-09-25

2002-12-31

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Plant Patent

active

PP013446

ABSTRACT:

CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is co-pending with another application entitled Scabiosa Plant Named ‘Walminipink’ (application Ser. No. 09/962,381).
LATIN NAME OF THE GENUS AND SPECIES
Scabiosa columbaria.
VARIETY DENOMINATON
‘Walminiblue’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Scabiosa plant, botanically known as
Scabiosa columbaria
and will be referred to hereafter by its cultivar name ‘Walminiblue’.
Scabiosa columbaria
is a hardy perennial grown for landscape use.
The new cultivar, ‘Walminiblue’, was discovered in 1988 by the inventor at his nursery in West Sussex, England. ‘Walminiblue’ was discovered as a naturally occurring mutation, amongst a large crop of
Scabiosa columbaria
‘Butterfly Blue’ (un-patented). The new invention was discovered as a whole plant, however it originated as a single cutting taken from ‘Butterfly Blue’. Several selections were discovered and observed before ‘Walminiblue’ was selected as unique and desirable for its characteristics of plant size, plant habit, flower color, and sterility.
The new variety of Scabiosa can be characterized by its smaller size: the foliage dimensions, diameter of the flower heads and the height of the plant are less in comparison to the parent plant, ‘Butterfly Blue’. The new invention has never set fruit and all flowers observed have been self-sterile. Near self-sterility is a characteristic of ‘Butterfly Blue’ and the inventor's Scabiosa variety ‘Pink Mist’ (U.S. Plant Pat. No. 8,957), however, it is not a characteristic of any other commercial cultivars of
Scabiosa columbaria
known to the inventor. The flower color of ‘Walminiblue’ is deeper and more blue in comparison to ‘Butterfly Blue’. The new cultivar is similar to both ‘Butterfly Blue’ and ‘Pink Mist’ in that it has a compact habit and has a continuous and prolific flowering habit.
Asexual reproduction of the new cultivar was first accomplished by taking cuttings in West Sussex, England by the inventor in 1988. The characteristics of this cultivar have been determined to be stable and are reproduced true to type in successive generations both by vegetative cuttings and by tissue culture.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and are determined to be the basic characteristics of the new cultivar. These attributes in combination distinguish the new invention from wild forms of
Scabiosa columbaria
and distinguish it as a new and distinct cultivar. ‘Walminiblue’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic, and cultural conditions:
1. ‘Walminiblue’ is smaller in height and has less of a spread in comparison to ‘Butterfly Blue’. ‘Walminiblue’ attains 10 to 18 cm in height and 10 to 20 cm in width while ‘Butterfly Blue’ attains 15 to 30 cm in height and 17 to 30 cm in width, dependent on growing conditions.
2. The plant habit of ‘Walminiblue’ is compact with a tight rosette of basal growth.
3. The flowers of ‘Walminiblue’ are smaller than those of Butterfly Blue, ranging from 2.5 to 4.3 cm in diameter while the flower size of ‘Butterfly Blue’ ranges from 4.0 to 6.0 cm in diameter. This range in flower size is found on a single plant.
4. The flowers of ‘Walminiblue’ are lavender blue tending towards pure blue and are deeper in color than ‘Butterfly Blue’. The flowers of ‘Walminiblue’ are typically 92A whereas those of ‘Butterfly Blue’ are typically 91A-91B.
5. ‘Walminiblue’ blooms continuously and profusely from early spring until frost. Typically, there are 10-12 flower heads showing color at one time.
6. The flowers of ‘Walminiblue’ are presumed to be sterile, as fruit set has not been observed to date.

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